Features: 1USB Cable: Both the charging bank and the computer charging head are available, and the household USB interface is available, lightweight mini, and it can be carried with you, the effect of using the adapter is better. 2Fast Heating: Don't choose cup, drink ice, quick cooling and heating base. In summer, a cold drink can refresh you at any time, and in winter, a warm brown sugar can warm your heart and nourish your stomach. 3Easy Operation: Simplify the operation, open and bid farewell to the complexity, open and control freely with one key, and switch the heating cooling cup with one key. 4High Efficiency Cooling: The chassis is pressure free all day long, with large exhaust holes designed for rapid heat dissipation and extended service life. 5Multiple Uses: Dormitory, home and office are the best choice, cold in summer and warm in winter, a good gift for family members, girlfriends and children. Specification: Item Type: Thermostatic PadMaterial: ABSGross Weight: 820g / 28.9ozPower Supply Mode: USB power supply, 12V 3A adapter power supplyRefrigeration Heating Plate Size: Diameter: Approx.100mm / 3.9inProduct Size: Approx.166 x 86mm / 6.5 x 3.4inPower: 36WTemperature: can attain the maximum temperature of 108, and can be cooled to 0 Package List: 1 x Thermostatic Pad1 x USB Cable1 x Manual1 x Adapter